# frozen_string_literal: true

require 'spec_helper'

RSpec.describe SearchHelper do
  include MarkupHelper

  # Override simple_sanitize for our testing purposes
  def simple_sanitize(str)
    str
  end

  describe 'search_autocomplete_opts' do
    context "with no current user" do
      before do
        allow(self).to receive(:current_user).and_return(nil)
      end

      it "returns nil" do
        expect(search_autocomplete_opts("q")).to be_nil
      end
    end

    context "with a standard user" do
      let(:user) { create(:user) }

      before do
        allow(self).to receive(:current_user).and_return(user)
      end

      it "includes Help sections" do
        expect(search_autocomplete_opts("hel").size).to eq(9)
      end

      it "includes default sections" do
        expect(search_autocomplete_opts("dash").size).to eq(1)
      end

      it "does not include admin sections" do
        expect(search_autocomplete_opts("admin").size).to eq(0)
      end

      it "does not allow regular expression in search term" do
        expect(search_autocomplete_opts("(webhooks|api)").size).to eq(0)
      end

      it "includes the user's groups" do
        create(:group).add_owner(user)
        expect(search_autocomplete_opts("gro").size).to eq(1)
      end

      it "includes nested group" do
        create(:group, :nested, name: 'foo').add_owner(user)
        expect(search_autocomplete_opts('foo').size).to eq(1)
      end

      it "includes the user's projects" do
        project = create(:project, namespace: create(:namespace, owner: user))
        expect(search_autocomplete_opts(project.name).size).to eq(1)
      end

      it "includes the required project attrs" do
        project = create(:project, namespace: create(:namespace, owner: user))
        result = search_autocomplete_opts(project.name).first

        expect(result.keys).to match_array(%i[category id value label url avatar_url])
      end

      it "includes the required group attrs" do
        create(:group).add_owner(user)
        result = search_autocomplete_opts("gro").first

        expect(result.keys).to match_array(%i[category id label url avatar_url])
      end

      it 'includes the first 5 of the users recent issues' do
        recent_issues = instance_double(::Gitlab::Search::RecentIssues)
        expect(::Gitlab::Search::RecentIssues).to receive(:new).with(user: user).and_return(recent_issues)
        project1 = create(:project, :with_avatar, namespace: user.namespace)
        project2 = create(:project, namespace: user.namespace)
        issue1 = create(:issue, title: 'issue 1', project: project1)
        issue2 = create(:issue, title: 'issue 2', project: project2)

        other_issues = create_list(:issue, 5)

        expect(recent_issues).to receive(:search).with('the search term').and_return(Issue.id_in_ordered([issue1.id, issue2.id, *other_issues.map(&:id)]))

        results = search_autocomplete_opts("the search term")

        expect(results.count).to eq(5)

        expect(results[0]).to include({
          category: 'Recent issues',
          id: issue1.id,
          label: 'issue 1',
          url: Gitlab::Routing.url_helpers.project_issue_path(issue1.project, issue1),
          avatar_url: project1.avatar_url
        })

        expect(results[1]).to include({
          category: 'Recent issues',
          id: issue2.id,
          label: 'issue 2',
          url: Gitlab::Routing.url_helpers.project_issue_path(issue2.project, issue2),
          avatar_url: '' # This project didn't have an avatar so set this to ''
        })
      end

      it 'includes the first 5 of the users recent merge requests' do
        recent_merge_requests = instance_double(::Gitlab::Search::RecentMergeRequests)
        expect(::Gitlab::Search::RecentMergeRequests).to receive(:new).with(user: user).and_return(recent_merge_requests)
        project1 = create(:project, :with_avatar, namespace: user.namespace)
        project2 = create(:project, namespace: user.namespace)
        merge_request1 = create(:merge_request, :unique_branches, title: 'Merge request 1', target_project: project1, source_project: project1)
        merge_request2 = create(:merge_request, :unique_branches, title: 'Merge request 2', target_project: project2, source_project: project2)

        other_merge_requests = create_list(:merge_request, 5)

        expect(recent_merge_requests).to receive(:search).with('the search term').and_return(MergeRequest.id_in_ordered([merge_request1.id, merge_request2.id, *other_merge_requests.map(&:id)]))

        results = search_autocomplete_opts("the search term")

        expect(results.count).to eq(5)

        expect(results[0]).to include({
          category: 'Recent merge requests',
          id: merge_request1.id,
          label: 'Merge request 1',
          url: Gitlab::Routing.url_helpers.project_merge_request_path(merge_request1.project, merge_request1),
          avatar_url: project1.avatar_url
        })

        expect(results[1]).to include({
          category: 'Recent merge requests',
          id: merge_request2.id,
          label: 'Merge request 2',
          url: Gitlab::Routing.url_helpers.project_merge_request_path(merge_request2.project, merge_request2),
          avatar_url: '' # This project didn't have an avatar so set this to ''
        })
      end

      it "does not include the public group" do
        group = create(:group)
        expect(search_autocomplete_opts(group.name).size).to eq(0)
      end

      context "with a current project" do
        before do
          @project = create(:project, :repository)
        end

        it "includes project-specific sections" do
          expect(search_autocomplete_opts("Files").size).to eq(1)
          expect(search_autocomplete_opts("Commits").size).to eq(1)
        end
      end
    end

    context 'with an admin user' do
      let(:admin) { create(:admin) }

      before do
        allow(self).to receive(:current_user).and_return(admin)
      end

      it "includes admin sections" do
        expect(search_autocomplete_opts("admin").size).to eq(1)
      end
    end
  end

  describe 'search_entries_info' do
    using RSpec::Parameterized::TableSyntax

    where(:scope, :label) do
      'blobs'          | 'code result'
      'commits'        | 'commit'
      'issues'         | 'issue'
      'merge_requests' | 'merge request'
      'milestones'     | 'milestone'
      'notes'          | 'comment'
      'projects'       | 'project'
      'snippet_titles' | 'snippet'
      'users'          | 'user'
      'wiki_blobs'     | 'wiki result'
    end

    with_them do
      it 'uses the correct singular label' do
        collection = Kaminari.paginate_array([:foo]).page(1).per(10)

        expect(search_entries_info(collection, scope, 'foo')).to eq("Showing 1 #{label} for<span>&nbsp;<code>foo</code>&nbsp;</span>")
      end

      it 'uses the correct plural label' do
        collection = Kaminari.paginate_array([:foo] * 23).page(1).per(10)

        expect(search_entries_info(collection, scope, 'foo')).to eq("Showing 1 - 10 of 23 #{label.pluralize} for<span>&nbsp;<code>foo</code>&nbsp;</span>")
      end
    end

    it 'raises an error for unrecognized scopes' do
      expect do
        collection = Kaminari.paginate_array([:foo]).page(1).per(10)
        search_entries_info(collection, 'unknown', 'foo')
      end.to raise_error(RuntimeError)
    end
  end

  describe 'search_entries_empty_message' do
    it 'returns the formatted entry message' do
      message = search_entries_empty_message('projects', '<h1>foo</h1>')

      expect(message).to eq("We couldn't find any projects matching <code>&lt;h1&gt;foo&lt;/h1&gt;</code>")
      expect(message).to be_html_safe
    end
  end

  describe 'search_filter_input_options' do
    context 'project' do
      before do
        @project = create(:project, :repository)
      end

      it 'includes id with type' do
        expect(search_filter_input_options('type')[:id]).to eq('filtered-search-type')
      end

      it 'includes project-id' do
        expect(search_filter_input_options('')[:data]['project-id']).to eq(@project.id)
      end

      it 'includes project endpoints' do
        expect(search_filter_input_options('')[:data]['runner-tags-endpoint']).to eq(tag_list_admin_runners_path)
        expect(search_filter_input_options('')[:data]['labels-endpoint']).to eq(project_labels_path(@project))
        expect(search_filter_input_options('')[:data]['milestones-endpoint']).to eq(project_milestones_path(@project))
        expect(search_filter_input_options('')[:data]['releases-endpoint']).to eq(project_releases_path(@project))
      end

      it 'includes autocomplete=off flag' do
        expect(search_filter_input_options('')[:autocomplete]).to eq('off')
      end
    end

    context 'group' do
      before do
        @group = create(:group, name: 'group')
      end

      it 'does not includes project-id' do
        expect(search_filter_input_options('')[:data]['project-id']).to eq(nil)
      end

      it 'includes group endpoints' do
        expect(search_filter_input_options('')[:data]['runner-tags-endpoint']).to eq(tag_list_admin_runners_path)
        expect(search_filter_input_options('')[:data]['labels-endpoint']).to eq(group_labels_path(@group))
        expect(search_filter_input_options('')[:data]['milestones-endpoint']).to eq(group_milestones_path(@group))
      end
    end

    context 'dashboard' do
      it 'does not include group-id and project-id' do
        expect(search_filter_input_options('')[:data]['project-id']).to eq(nil)
        expect(search_filter_input_options('')[:data]['group-id']).to eq(nil)
      end

      it 'includes dashboard endpoints' do
        expect(search_filter_input_options('')[:data]['runner-tags-endpoint']).to eq(tag_list_admin_runners_path)
        expect(search_filter_input_options('')[:data]['labels-endpoint']).to eq(dashboard_labels_path)
        expect(search_filter_input_options('')[:data]['milestones-endpoint']).to eq(dashboard_milestones_path)
      end
    end
  end

  describe 'search_history_storage_prefix' do
    context 'project' do
      it 'returns project full_path' do
        @project = create(:project, :repository)

        expect(search_history_storage_prefix).to eq(@project.full_path)
      end
    end

    context 'group' do
      it 'returns group full_path' do
        @group = create(:group, :nested, name: 'group-name')

        expect(search_history_storage_prefix).to eq(@group.full_path)
      end
    end

    context 'dashboard' do
      it 'returns dashboard' do
        expect(search_history_storage_prefix).to eq("dashboard")
      end
    end
  end

  describe 'search_md_sanitize' do
    it 'does not do extra sql queries for partial markdown rendering' do
      @project = create(:project)

      description = FFaker::Lorem.characters(210)
      control_count = ActiveRecord::QueryRecorder.new(skip_cached: false) { search_md_sanitize(description) }.count

      issues = create_list(:issue, 4, project: @project)

      description_with_issues = description + ' ' + issues.map { |issue| "##{issue.iid}" }.join(' ')
      expect { search_md_sanitize(description_with_issues) }.not_to exceed_all_query_limit(control_count)
    end
  end

  describe 'search_filter_link' do
    it 'renders a search filter link for the current scope' do
      @scope = 'projects'
      @search_results = double

      expect(@search_results).to receive(:formatted_count).with('projects').and_return('23')

      link = search_filter_link('projects', 'Projects')

      expect(link).to have_css('li.active')
      expect(link).to have_link('Projects', href: search_path(scope: 'projects'))
      expect(link).to have_css('span.badge.badge-pill:not(.js-search-count):not(.hidden):not([data-url])', text: '23')
    end

    it 'renders a search filter link for another scope' do
      link = search_filter_link('projects', 'Projects')
      count_path = search_count_path(scope: 'projects')

      expect(link).to have_css('li:not([class="active"])')
      expect(link).to have_link('Projects', href: search_path(scope: 'projects'))
      expect(link).to have_css("span.badge.badge-pill.js-search-count.hidden[data-url='#{count_path}']", text: '')
    end

    it 'merges in the current search params and given params' do
      expect(self).to receive(:params).and_return(
        ActionController::Parameters.new(
          search: 'hello',
          scope: 'ignored',
          other_param: 'ignored'
        )
      )

      link = search_filter_link('projects', 'Projects', search: { project_id: 23 })

      expect(link).to have_link('Projects', href: search_path(scope: 'projects', search: 'hello', project_id: 23))
    end

    it 'assigns given data attributes on the list container' do
      link = search_filter_link('projects', 'Projects', data: { foo: 'bar' })

      expect(link).to have_css('li[data-foo="bar"]')
    end
  end

  describe '#show_user_search_tab?' do
    subject { show_user_search_tab? }

    context 'when users_search feature is disabled' do
      before do
        stub_feature_flags(users_search: false)
      end

      it { is_expected.to eq(false) }
    end

    context 'when project search' do
      before do
        @project = :some_project

        expect(self).to receive(:project_search_tabs?)
          .with(:members)
          .and_return(:value)
      end

      it 'delegates to project_search_tabs?' do
        expect(subject).to eq(:value)
      end
    end

    context 'when not project search' do
      context 'when current_user can read_users_list' do
        before do
          allow(self).to receive(:current_user).and_return(:the_current_user)
          allow(self).to receive(:can?).with(:the_current_user, :read_users_list).and_return(true)
        end

        it { is_expected.to eq(true) }
      end

      context 'when current_user cannot read_users_list' do
        before do
          allow(self).to receive(:current_user).and_return(:the_current_user)
          allow(self).to receive(:can?).with(:the_current_user, :read_users_list).and_return(false)
        end

        it { is_expected.to eq(false) }
      end
    end
  end
end